User Manual

MiniStation All-in-One Petit Board User’s Manual
Hardware Description
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C h a p t e r 4
Hardware Description
4.1 Microprocessors
The MiniStation supports Intel Celeron and Pentium III CPUs. Systems based on these CPUs can be
operated under UNIX, OS/2, Windows NT, Windows 95/98/2000/XP and MS-DOS environments. The
system performance depends on the microprocessor installed onboard. When installing a new CPU, the
jumpers and CPU Bus Clock setting may need to be adjusted. Make sure all settings are correct for the
installed microprocessor to prevent any damage to the CPU.
4.2 CPU Bus Clock
The MiniStation supports CPU Bus speeds for 66/100/133 MHz. The CPU Bus Clock is generated by a
clock generator and can be changed automatically.
4.3 BIOS
System BIOS used on the MiniStation is Award Plug and Play BIOS. The MiniStation contains a single
2Mbit Flash EPROM.
4.4 System Memory
The MiniStation industrial CPU card supports one 168-pin DIMM (Dual In-Line Memory Module) socket for
a maximum memory of 512MB buffer SDRAMs. The memory module can come in sizes of 16MB, 32MB,
64MB, 128MB , 256MB , 512MB.
4.5 I/O Port Address Map
The Intel Pentium CPU communicates via I/O ports. It has a total of 1KB port addresses available for
assignment to other devices via I/O expansion cards.
Address Devices
000-01F
DMA controller #1
020-03F
Interrupt controller #1
040-05F
Timer
060-06F
Keyboard controller
070-07F
Real time clock, NMI
080-09F
DMA page register
0A0-0BF
Interrupt controller #2
0C0-0DF
DMA controller #2
0F0
Clear math coprocessor busy signal
0F1
Reset math coprocessor
0F8-0FF
Math processor
120
Disable watchdog timer operation (read)
121
Enable watchdog timer operation (read)
122
Watchdog
123
Digital I/O
1F0-1F8
Fixed disk controller
200-207
Game port